Koolance patented quick disconnect no-spill coupling with automatic shutoff. G 3/8 BSPP (parallel) thread male fitting for screwing directly into a water block or other component of same threading. It will only fit a Koolance QD4 female quick disconnect.

After pulling the ring on the female QDC side, the quick-disconnect fittings will separate. Liquid on both sides will be automatically obstructed with approximately 0.2ml freed. Coolant volume lost upon disconnection will rise with internal pressure higher than 0.5kgf/cm2 (7psi).

Additional Specifications

• Materials: Brass, Nickel Plating, Stainless Steel, EPDM
• Max Temp. Operating Tolerance: 100°C (212°F)
• Max Pressure Tolerance @ 25°C: 8kgf/cm2 (113.8psi)
• Fitting Thread: G 3/8 BSPP